i have a three week old that is really gassy and fussy. i am breastfeeding, watching what i eat, and supplementing with formula at night only occasionally. i'm not quite sure what to do. i tried the over the counter drops for gassy infants. and i tried massaging him but nothing works. i just feel bad because he's in terrible pain! should i give up breastfeeding and switch to a formula that is specifically designed for fussy and gassy babies? any other suggestions?